Will this work to seal a few small holes in a black pond liner? The holes are on a horizontal planting shelf.

I would recommend firestone primer, seam tape and cover tape instead for the right way to patch holes in 45 mil epdm rubber.

We wouldn’t recommend it. The silicone is for sealing liner to faceplates with screws and any plumbing parts that are threaded and might need extra sealing. It can also be used in place of Teflon tape. The Pond Company

Can i build a new aquarium with this?

Yes, I think clear would be more aesthetically pleasing but this should work for a glass aquarium. I wouldn't use it for acrylic.

Will this work to seal around a Rubbermaid 100 gallon horse trough—around the rectangular piece of the bulkhead? No leak from threads

I have a 3500 Gallon Koi Pond and it sealed a couple of leaks I had in my liner very well. I was losing about 6 inches of water a day and once I found the tears in my liner I applied the sealant around the tear and pushed it into place. It has bee holding water without leaking for several weeks now so I'm thinking yes, it will hold in your application. It goes on very wet but seals to a hard surface. Good Luck.

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Black Silicone Sealant – Safe for Fish, Waterproof, Flexible, and Durable Adhesive for Ponds, Water Features, and Aquariums, 10.1 oz, 29186

Product ID: 15318735

Details

Brand
Aquascape
Item Weight
10.1 ounces
Item dimensions L x W x H
2 x 2 x 11
Material
Silicone
Style
Compact

🌞UV & temperature resistant

🐟Fish & plant safe formula

💧100% Waterproof seal

142.61 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Seal your pond, not your worries — waterproof, fish-safe, and built to last!

AQUATIC GRADE SEAL - Safe for fish, plants, and wildlife—protect your ecosystem effortlessly.
ECO CONSCIOUS PACKAGING - Includes Born on Date and 24-month shelf life for guaranteed freshness and effectiveness.
FLEXIBLE LONG LASTING - Maintains flexibility to prevent cracks and leaks over time, ensuring a reliable seal.
VERSATILE COMPATIBILITY - Bonds seamlessly with ceramic, glass, metal, wood, and more—perfect for indoor & outdoor projects.
WEATHERPROOF DURABILITY - UV resistant and built to withstand extreme temperatures for lasting performance.

Aquascape Black Silicone Sealant is a premium, fish-safe adhesive designed for ponds, aquariums, and water features. Its waterproof, UV-resistant, and flexible formula ensures durable seals across multiple materials, making it ideal for both indoor and outdoor aquatic projects. Packaged in a 10.1 oz tube with a 24-month shelf life, it guarantees fresh, reliable performance every time.

Specifications

ASIN	B000N1AMY0
Best Sellers Rank	#13,639 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #57 in Hardware Sealers
Brand Name	Aquascape
Color	Black
Compatible Material	Ceramic, Fiberglass, Glass, Marble, Metal, Wood
Customer Reviews	4.6 4.6 out of 5 stars (2,264)
Global Trade Identification Number	00827807291864
Item Dimensions	2 x 2 x 11 inches
Item Form	Liquid
Item Type Name	Safe for Fish and Plants
Item Weight	10.1 ounces
Manufacturer	Aquascape Designs, Inc
Material Type	Silicone
Model	29186
Number of Items	1
Number of Packs	1
Part Number	29186
Style Name	Compact
Surface Recommendation	Tile
UPC	827807291864
Unit Count	10.1 Fluid Ounces
Water Resistance Level	Waterproof

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